[Chevelle-list] fuel gauge test

[Bill Lessenberry]

Never do resistance readings with current flowing through the 
wire.  Resistance is measured with the key off, voltage with key on.
BillL

At 10:46 AM 5/11/2008, you wrote:
>If you put an ohm meter between  the lead from the gauge to the 
>sending unit you should get a reading between 0 and 90 OHM with the 
>ignition on. 0 would be an empty tank 90 a full tank .  Using a 
>floor jack lower and raise the back of the car. If you get different 
>readings the sending unit is good. If this fails check the ground to 
>your instrument cluster. There should be 12 volts to the other side 
>of the gauge.
>
>Jim
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